The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 19, 1994
Filed:
Sep. 02, 1992
Applicant:
Inventors:
Robert H Wollenberg, Orinda, CA (US);
Richard J Nelson, Pinole, CA (US);
John McDonald, Emeryville, CA (US);
Susanne G Ruelas, San Pablo, CA (US);
Curtis B Campbell, Hercules, CA (US);
Kathryn E Matera, Northford, CT (US);
Assignee:
Chevron Research and Technology Company, San Francisco, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 18 ; 252 33 ;
Abstract
This invention is directed to neutral and low overbased alkylphenoxy sulfonates having a dialkyl content sufficient to provide an essentially neutral alkylphenoxy sulfonate having a viscosity no greater than about 1000 cSt at a temperature of 100.degree. C. in the presence of 40 weight percent diluent oil.
Wollenberg, Robert. (1994). Neutral and low overbased alkylphenoxy sulfonate additive compositions (U.S. Patent No. 5330663). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5330663
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile